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G. S. Sidhu

Bio: G. S. Sidhu is an academic researcher. The author has contributed to research in topics: Circulator & Isolator. The author has an hindex of 1, co-authored 1 publications receiving 1 citations.

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Journal ArticleDOI
TL;DR: In this article, a four-port X-band junction waveguide circulator and a field displacement type isolator are described, which has a bandwidth of 1·5 kMc/s for less than 1 db insertion loss and greater than 20 db. isolation.
Abstract: This paper describes a four-port X-band junction waveguide circulator and an X-band field displacement isolator. The circulator employs a right angled H-type junction of two X-band waveguides. A full height cylindrical post of R-4 ferrite surrounded by a full height teflon cylinder is symmetrically placed at the junction. Hitherto, no 4-port waveguide circulator using this ferrite-dielectric condiguration has been reported in the literature. This circulator has a bandwidth of more than 500 mc/s. Maximum isolation approaches 40 db. and minimum insertion loss is negligible (less than 0·2 db.). Effects of dielectric loading on the circulator performance are also presented.This paper also describes an X-band field displacement type isolator which has a bandwidth of 1·5 kMc/s. for less than 1 db. insertion loss and greater than 20 db. isolation.

1 citations


Cited by
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TL;DR: In this paper, the authors present a bibliography for the field of ferrite-junction circulators, which covers the period from January 1956 to September 1969, and includes references for typical designs and constructions as well as for experimental results and applications.
Abstract: To date an enormous amount of work has been done in the field off ferrite-junction circulators, but as yet no up-to-date bibliography is available. The present bibliography has been compiled to cover the period from January 1956 to September 1969 in order to help researchers working in this field. The bibliography provides references on ferrite circulators including entries for theory, stripline and waveguide versions, low and high powers, low-temperature circulators, lumped-element circulators, switching circulators, slot circulators, microstrip circulators, etc. It also includes references for typical designs and constructions as well as for experimental results and applications. As in the compilation of any bibliography, some valuable and pertinent article may have been overlooked.

3 citations